Figure 2From: Seroprevalence of human respiratory syncytial virus and human metapneumovirus in healthy population analyzed by recombinant fusion protein-based enzyme linked immunosorbent assayDistribution of anti-human hRSV and hMPV antibodies in different age groups tested by F-ELISA. Bars represent the mean optical density of the positive serum samples included in each age group plus the standard deviation.Back to article page